Intel Iris Plus Graphics 640 vs NVIDIA GeForce Go 7900 GTX

Comparative analysis of Intel Iris Plus Graphics 640 and NVIDIA GeForce Go 7900 GTX videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), 3DMark Fire Strike - Graphics Score.

Intel Iris Plus Graphics 640

NVIDIA GeForce Go 7900 GTX

Differences

Reasons to consider the Intel Iris Plus Graphics 640

Videocard is newer: launch date 10 year(s) 8 month(s) later
2.2x more boost clock speed: 1100 MHz vs 500 MHz
2x more pipelines: 48 vs 24
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 90 nm
3x lower typical power consumption: 15 Watt vs 45 Watt
64x more maximum memory size: 32 GB vs 512 MB
5x better performance in PassMark - G3D Mark: 1346 vs 270
Around 29% better performance in PassMark - G2D Mark: 340 vs 264

Specifications (specs)
Launch date	3 January 2017 vs 18 April 2006
Boost clock speed	1100 MHz vs 500 MHz
Pipelines	48 vs 24
Manufacturing process technology	14 nm vs 90 nm
Thermal Design Power (TDP)	15 Watt vs 45 Watt
Maximum memory size	32 GB vs 512 MB
Benchmarks
PassMark - G3D Mark	1346 vs 270
PassMark - G2D Mark	340 vs 264

Reasons to consider the NVIDIA GeForce Go 7900 GTX

Around 67% higher core clock speed: 500 MHz vs 300 MHz

Core clock speed	500 MHz vs 300 MHz

Compare benchmarks

GPU 1: Intel Iris Plus Graphics 640
GPU 2: NVIDIA GeForce Go 7900 GTX

PassMark - G3D Mark

GPU 1

GPU 2

1346

270

PassMark - G2D Mark

GPU 1

GPU 2

340

264

Name	Intel Iris Plus Graphics 640	NVIDIA GeForce Go 7900 GTX
PassMark - G3D Mark	1346	270
PassMark - G2D Mark	340	264
Geekbench - OpenCL	6440
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	36.485
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	246.614
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.888
CompuBench 1.5 Desktop - Video Composition (Frames/s)	21.014
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	42.981
GFXBench 4.0 - Car Chase Offscreen (Frames)	2306
GFXBench 4.0 - Manhattan (Frames)	1514
GFXBench 4.0 - T-Rex (Frames)	3333
GFXBench 4.0 - Car Chase Offscreen (Fps)	2306
GFXBench 4.0 - Manhattan (Fps)	1514
GFXBench 4.0 - T-Rex (Fps)	3333
3DMark Fire Strike - Graphics Score	720

Compare specifications (specs)

	Intel Iris Plus Graphics 640	NVIDIA GeForce Go 7900 GTX
Essentials
Architecture	Generation 9.5	Curie
Code name	Kaby Lake GT3e	G71
Launch date	3 January 2017	18 April 2006
Place in performance rating	1159	619
Type	Laptop	Laptop
Technical info
Boost clock speed	1100 MHz	500 MHz
Core clock speed	300 MHz	500 MHz
Manufacturing process technology	14 nm	90 nm
Pipelines	48	24
Thermal Design Power (TDP)	15 Watt	45 Watt
Transistor count	189 million	278 million
Texture fill rate		12 GTexel / s
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x1	PCIe 1.0 x16
Laptop size		large
Supplementary power connectors		None
API support
DirectX	12.0 (12_1)	9.0c
OpenGL	4.5	2.1
Memory
Maximum RAM amount	32 GB	512 MB
Memory bus width	64 / 128 Bit	600 Bit
Memory type	DDR3L / LPDDR3 / DDR4	256
Shared memory	1	0
Memory bandwidth		38.4 GB / s
Memory clock speed		1200 MHz
Technologies
Quick Sync